mirrors/signal-desktop
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages 2 Wiki Activity Actions

Introduce mandatary migration on startup, to minimum version

Browse source
This commit is contained in:
Scott Nonnenberg 2018-07-26 19:19:34 -07:00
parent f38647dfa5
commit 02675312c5
5 changed files with 122 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

80
js/background.js
View file

@ -165,11 +165,64 @@
window.log.info('Storage fetch');
storage.fetch();
const MINIMUM_VERSION = 7;
async function upgradeMessages() {
const NUM_MESSAGES_PER_BATCH = 10;
window.log.info(
'upgradeMessages: Mandatory message schema upgrade started.',
`Target version: ${MINIMUM_VERSION}`
);
let isMigrationWithoutIndexComplete = false;
while (!isMigrationWithoutIndexComplete) {
const database = Migrations0DatabaseWithAttachmentData.getDatabase();
// eslint-disable-next-line no-await-in-loop
const batchWithoutIndex = await MessageDataMigrator.processNextBatchWithoutIndex(
{
databaseName: database.name,
minDatabaseVersion: database.version,
numMessagesPerBatch: NUM_MESSAGES_PER_BATCH,
upgradeMessageSchema,
maxVersion: MINIMUM_VERSION,
BackboneMessage: Whisper.Message,
saveMessage: window.Signal.Data.saveMessage,
}
);
window.log.info(
'upgradeMessages: upgrade without index',
batchWithoutIndex
);
isMigrationWithoutIndexComplete = batchWithoutIndex.done;
}
window.log.info('upgradeMessages: upgrade without index complete!');
let isMigrationWithIndexComplete = false;
while (!isMigrationWithIndexComplete) {
// eslint-disable-next-line no-await-in-loop
const batchWithIndex = await MessageDataMigrator.processNext({
BackboneMessage: Whisper.Message,
BackboneMessageCollection: Whisper.MessageCollection,
numMessagesPerBatch: NUM_MESSAGES_PER_BATCH,
upgradeMessageSchema,
getMessagesNeedingUpgrade: window.Signal.Data.getMessagesNeedingUpgrade,
saveMessage: window.Signal.Data.saveMessage,
maxVersion: MINIMUM_VERSION,
});
window.log.info('upgradeMessages: upgrade with index', batchWithIndex);
isMigrationWithIndexComplete = batchWithIndex.done;
}
window.log.info('upgradeMessages: upgrade with index complete!');
window.log.info('upgradeMessages: Message schema upgrade complete');
}
await upgradeMessages();
const idleDetector = new IdleDetector();
let isMigrationWithIndexComplete = false;
let isMigrationWithoutIndexComplete = false;
window.log.info('Starting background data migration. Target version: latest');
idleDetector.on('idle', async () => {
window.log.info('Idle processing started');
const NUM_MESSAGES_PER_BATCH = 1;
if (!isMigrationWithIndexComplete) {
@ -185,27 +238,8 @@
isMigrationWithIndexComplete = batchWithIndex.done;
}
if (!isMigrationWithoutIndexComplete) {
const database = Migrations0DatabaseWithAttachmentData.getDatabase();
const batchWithoutIndex = await MessageDataMigrator.processNextBatchWithoutIndex(
{
databaseName: database.name,
minDatabaseVersion: database.version,
numMessagesPerBatch: NUM_MESSAGES_PER_BATCH,
upgradeMessageSchema,
}
);
window.log.info(
'Upgrade message schema (without index):',
batchWithoutIndex
);
isMigrationWithoutIndexComplete = batchWithoutIndex.done;
}
const areAllMigrationsComplete =
isMigrationWithIndexComplete && isMigrationWithoutIndexComplete;
if (areAllMigrationsComplete) {
window.log.info('All migrations are complete. Stopping idle detector.');
if (isMigrationWithIndexComplete) {
window.log.info('Background migration complete. Stopping idle detector.');
idleDetector.stop();
}
});